Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 18-02-2018 and time 05:07:49 (Italy) in region Costa Romagnola meridionale (Rimini, Forli Cesena)

A magnitude ML 2.0 earthquake occured in region: Costa Romagnola meridionale (Rimini, Forli Cesena), on

  • 18-02-2018 04:07:49 (UTC)
  • 18-02-2018 05:07:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2490, 12.9370 at 25 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km NE of Rimini (147750 inhabitants)
38 Km N of Pesaro (94582 inhabitants)
46 Km N of Fano (60888 inhabitants)
57 Km E of Cesena (96758 inhabitants)
62 Km E of Ravenna (159116 inhabitants)
71 Km E of Forlì (117913 inhabitants)
84 Km E of Faenza (58541 inhabitants)
84 Km NW of Ancona (100861 inhabitants)
98 Km E of Imola (69797 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000 		ML 2.0 2018-02-18
04:07:49		 44.2492 12.9372 25 2019-04-24
14:49:44		 Bollettino Sismico Italiano INGV 61699251
Reviewed
Rev100 		ML 2.0 2018-02-18
04:07:50		 44.2255 12.9118 7 2018-02-18
04:52:41		 Sala Sismica INGV-Roma 53990511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-02-18 04:07:49 ± 0.19
Latitude 44.2492 ± 0.0099
Longitude 12.9372 ± 0.0163
Depth (km) 25 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 61699251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1049
Semi-minor axis of confidence ellipse (meter) 1031
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 232
Circular confidence region, given by single value of horizontal uncertainty (meter) 1050.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 37
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.31566
Epicentral distance of station farthest from the epicenter (degree) 1.57201
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 61699251
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-02-22 23:12:54

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 53990511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-02-18 04:52:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2018-02-18T04:08:32.53 1.0 undecidable manual S 168 152.9358 54 0.28 23
IV.CSP1.EHZ. 2018-02-18T04:08:27.88 0.3 undecidable manual S 170 130.1697 97 0.55 69
IV.PF6.EHZ. 2018-02-18T04:08:25.89 0.6 undecidable manual S 170 124.986 97 -0.07 51
IV.SNTG.HHZ. 2018-02-18T04:08:22.57 0.6 undecidable manual S 180 110.3118 98 0.5 49
IV.FOSV.EHZ. 2018-02-18T04:08:21.03 0.6 undecidable manual S 188 106.8153 98 -0.12 53
IV.ATVO.HHZ. 2018-02-18T04:08:21.17 0.6 undecidable manual S 204 105.117 98 0.46 50
IV.CING.HHZ. 2018-02-18T04:08:20.03 0.6 undecidable manual S 168 99.123 99 0.92 43
IV.ATPI.EHZ. 2018-02-18T04:08:19.31 0.6 undecidable manual S 206 98.3238 99 0.39 52
MN.TRI.HHZ. 2018-02-18T04:08:17.24 0.3 undecidable manual P 22 174.492 54 0.2 63
IV.SSFR.HHZ. 2018-02-18T04:08:16.88 0.6 undecidable manual S 188 91.0422 100 -0.11 55
IV.PIEI.HHZ. 2018-02-18T04:08:15.65 0.6 undecidable manual S 202 85.4478 100 0.13 56
IV.ARVD.HHZ. 2018-02-18T04:08:15.20 0.3 undecidable manual S 180 83.3499 101 0.24 83
IV.FRON.EHZ. 2018-02-18T04:08:14.99 0.6 undecidable manual S 192 82.8504 101 0.14 56
IV.NARO.HHZ. 2018-02-18T04:08:13.07 0.6 undecidable manual S 202 76.368 102 -0.06 57
IV.MMO1.EHZ. 2018-02-18T04:08:13.85 0.3 undecidable manual P 168 152.9358 54 -0.52 67
IV.CSP1.EHZ. 2018-02-18T04:08:11.30 0.6 undecidable manual P 170 130.1697 97 -0.22 50
IV.SENI.EHZ. 2018-02-18T04:08:11.15 0.6 undecidable manual S 159 64.7907 104 1.01 44
IV.PF6.EHZ. 2018-02-18T04:08:10.48 0.1 undecidable manual P 170 124.986 97 -0.25 100
IV.CRE.HHZ. 2018-02-18T04:08:08.28 0.3 undecidable manual P 229 105.3168 98 0.56 72
IV.SNTG.HHZ. 2018-02-18T04:08:08.46 0.3 undecidable manual P 180 110.3118 98 -0.03 81
IV.ATVO.HHZ. 2018-02-18T04:08:07.30 0.3 undecidable manual P 204 105.117 98 -0.4 76
IV.EL6.EHZ. 2018-02-18T04:08:07.05 0.3 undecidable manual P 173 102.9192 98 -0.31 78
IV.FOSV.EHZ. 2018-02-18T04:08:07.64 0.3 undecidable manual P 188 106.8153 98 -0.31 77
IV.CING.HHZ. 2018-02-18T04:08:06.47 0.3 undecidable manual P 168 99.123 99 -0.31 78
IV.ATPI.EHZ. 2018-02-18T04:08:06.62 0.3 undecidable manual P 206 98.3238 99 -0.05 83
IV.SSFR.HHZ. 2018-02-18T04:08:05.16 0.3 undecidable manual P 188 91.0422 100 -0.39 78
IV.PIEI.HHZ. 2018-02-18T04:08:04.07 0.3 undecidable manual P 202 85.4478 100 -0.63 74
IV.PARC.HHZ. 2018-02-18T04:08:04.37 0.3 undecidable manual P 220 86.8464 100 -0.56 76
IV.ARVD.HHZ. 2018-02-18T04:08:04.59 0.3 undecidable manual P 180 83.3499 101 0.21 82
IV.BRSN.HNZ. 2018-02-18T04:08:03.45 0.6 undecidable manual P 274 68.1762 104 1.35 35
IV.CPGN.EHZ. 2018-02-18T04:08:03.10 0.6 undecidable manual P 225 69.8745 103 0.74 48
IV.FRON.EHZ. 2018-02-18T04:08:03.96 0.3 undecidable manual P 192 82.8504 101 -0.36 80
IV.SENI.EHZ. 2018-02-18T04:08:02.16 0.3 undecidable manual P 159 64.7907 104 0.56 78
IV.NARO.HHZ. 2018-02-18T04:08:02.57 0.3 undecidable manual P 202 76.368 102 -0.76 71
IV.PESA.HHZ. 2018-02-18T04:08:02.33 0.6 undecidable manual S 193 35.0427 118 -0.36 58
IV.BLLA.EHE. 2018-02-18T04:07:58.34 0.3 undecidable manual P 253 38.9277 115 0.5 82
IV.PESA.HHZ. 2018-02-18T04:07:56.77 0.3 undecidable manual P 193 35.0427 118 -0.53 84
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NARO.HHE. ML:2.2 0.0002093373 0.1792 AML other m 2018-02-18T04:08:13.73
IV.NARO.HHN. ML:1.9 0.00011558389500000001 0.32 AML other m 2018-02-18T04:08:14.21
IV.FRON.EHE. ML:1.8 0.00008286498 0.16 AML other m 2018-02-18T04:08:15.57
IV.FRON.EHN. ML:2.3 0.00026092625 0.1408 AML other m 2018-02-18T04:08:15.56
IV.PIEI.HHE. ML:2.3 0.00023534050000000001 0.3424 AML other m 2018-02-18T04:08:17.11
IV.PARC.HHE. ML:1.9 0.000091121285 0.2592 AML other m 2018-02-18T04:08:17.39
IV.PIEI.HHN. ML:2.0 0.0001166768 0.24 AML other m 2018-02-18T04:08:17.40
IV.ARVD.HHN. ML:1.7 0.00006596464000000001 0.1792 AML other m 2018-02-18T04:08:17.97
IV.PARC.HHN. ML:1.8 0.00007905000000000001 1 AML other m 2018-02-18T04:08:18.48
IV.SSFR.HNN. ML:2.4 0.0003079072 0.24 AML other m 2018-02-18T04:08:18.58
IV.ARVD.HHE. ML:1.9 0.000104030815 0.24 AML other m 2018-02-18T04:08:18.97
IV.ATPI.EHE. ML:2.0 0.00009206004 0.2784 AML other m 2018-02-18T04:08:20.14
IV.SSFR.HHN. ML:2.4 0.00029807305 0.16 AML other m 2018-02-18T04:08:20.32
IV.SSFR.HHE. ML:2.4 0.0002881825 0.16 AML other m 2018-02-18T04:08:20.32
IV.SSFR.HNE. ML:2.6 0.0003893529 0.2272 AML other m 2018-02-18T04:08:20.69
IV.CING.HHE. ML:2.2 0.00016076770000000002 0.56 AML other m 2018-02-18T04:08:21.07
IV.CING.HHN. ML:2.0 0.00009042423500000001 0.32 AML other m 2018-02-18T04:08:20.79
IV.ATVO.HHE. ML:1.9 0.00006597438 0.5184 AML other m 2018-02-18T04:08:22.15
IV.ATPI.EHN. ML:1.9 0.00006876767000000001 0.3808 AML other m 2018-02-18T04:08:22.55
IV.FOSV.EHE. ML:1.8 0.000048853885 0.2592 AML other m 2018-02-18T04:08:22.40
IV.EL6.EHN. ML:2.4 0.00025322325 0.3392 AML other m 2018-02-18T04:08:22.58
IV.FOSV.EHN. ML:1.8 0.000058221664999999996 0.32 AML other m 2018-02-18T04:08:22.79
IV.EL6.EHE. ML:2.7 0.0004157004 0.48 AML other m 2018-02-18T04:08:23.08
IV.ATVO.HHN. ML:2.0 0.000086411925 0.4768 AML other m 2018-02-18T04:08:23.96
IV.SNTG.HHE. ML:2.0 0.00008719461000000001 0.48 AML other m 2018-02-18T04:08:24.11
IV.SNTG.HHN. ML:2.1 0.00010753469500000002 0.32 AML other m 2018-02-18T04:08:25.62
IV.CRE.HHE. ML:1.7 0.00004068755 0.4608 AML other m 2018-02-18T04:08:25.74
IV.PF6.EHE. ML:2.0 0.00006584753999999999 0.2592 AML other m 2018-02-18T04:08:26.60
IV.PF6.EHN. ML:1.6 0.000028904585 0.2592 AML other m 2018-02-18T04:08:26.84
IV.CRE.HHN. ML:1.9 0.00007744564500000001 0.3616 AML other m 2018-02-18T04:08:28.13
IV.CSP1.EHE. ML:1.9 0.00005320630499999999 0.2816 AML other m 2018-02-18T04:08:29.99
IV.CSP1.EHN. ML:1.6 0.000025574755 0.2976 AML other m 2018-02-18T04:08:32.33
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in miniseed + resp format Download